Travel with Axel,
get the best price.

Saint Louis → Los Angeles

Aug 21, 2027 · return Aug 28, 2027

STL → LAX1 adulteconomyRound trip

7 flight options · 3 airlines

Nonstop flights

Sat, Aug 21 – Sat, Aug 28

American Airlines
8:10 amSTL
4h 27m
Nonstop
10:37 amLAX
American Airlines
6:01 pmLAX
3h 43m
Nonstop
11:44 pmSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Aug 21 – Sat, Aug 28

Frontier Airlines
5:37 pmSTL
6h 53m
LAS · 1h 44m
10:30 pmLAX
American Airlines
6:01 pmLAX
3h 43m
Nonstop
11:44 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
8:00 amSTL
6h 40m
MCI · 1h 55m
12:40 pmLAX
Southwest Airlines
5:00 amLAX
6h 5m
HOU · 1h
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Frontier Airlines
7:54 pmSTL
6h 5m
DEN · 1h 4m
11:59 pmLAX
American Airlines
6:01 pmLAX
3h 43m
Nonstop
11:44 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
7:55 amSTL
6h 35m
SAT · 1h 10m
12:30 pmLAX
Southwest Airlines
5:00 amLAX
6h 5m
HOU · 1h
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
10:50 pmSTL
4h
Nonstop
12:50 am+1LAX
Southwest Airlines
5:00 amLAX
6h 5m
HOU · 1h
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

American Airlines
2:23 pmSTL
6h 29m
PHX · 1h 25m
6:52 pmLAX
American Airlines
6:01 pmLAX
3h 43m
Nonstop
11:44 pmSTL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ LAX

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, American Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-08-21 → 2027-08-28American AirlinesAA4912 / AA6502$420.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Frontier Airlines / American AirlinesF93107 + F91183 / AA6502$340.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Southwest AirlinesWN4164 + WN2654 / WN4867 + WN2174$370.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Frontier Airlines / American AirlinesF94567 + F94339 / AA6502$340.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Southwest AirlinesWN4198 + WN334 / WN4867 + WN2174$370.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Southwest AirlinesWN4712 / WN4867 + WN2174$385.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28American AirlinesAA2303 + AA2908 / AA6502$405.002026-10-29T01:28:42Z

2027-08-21 → 2027-08-28 · $420.00

  • American Airlines AA4912: STL 2027-08-21 08:10:00 → LAX 2027-08-21 10:37:00; nonstop; 267 minutes. Local airport times.
  • American Airlines AA6502: LAX 2027-08-28 18:01:00 → STL 2027-08-28 23:44:00; nonstop; 223 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $340.00

  • Frontier Airlines F93107 / F91183: STL 2027-08-21 17:37:00 → LAX 2027-08-21 22:30:00; 1 stop(s) via LAS; 413 minutes. Local airport times.
    • F93107: STL 2027-08-21 17:37:00 → LAS 2027-08-21 19:28:00; layover at LAS: 104 minutes.
    • F91183: LAS 2027-08-21 21:12:00 → LAX 2027-08-21 22:30:00.
  • American Airlines AA6502: LAX 2027-08-28 18:01:00 → STL 2027-08-28 23:44:00; nonstop; 223 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $370.00

  • Southwest Airlines WN4164 / WN2654: STL 2027-08-21 08:00:00 → LAX 2027-08-21 12:40:00; 1 stop(s) via MCI; 400 minutes. Local airport times.
    • WN4164: STL 2027-08-21 08:00:00 → MCI 2027-08-21 09:10:00; layover at MCI: 115 minutes.
    • WN2654: MCI 2027-08-21 11:05:00 → LAX 2027-08-21 12:40:00.
  • Southwest Airlines WN4867 / WN2174: LAX 2027-08-28 05:00:00 → STL 2027-08-28 13:05:00; 1 stop(s) via HOU; 365 minutes. Local airport times.
    • WN4867: LAX 2027-08-28 05:00:00 → HOU 2027-08-28 10:05:00; layover at HOU: 60 minutes.
    • WN2174: HOU 2027-08-28 11:05:00 → STL 2027-08-28 13:05:00.

2027-08-21 → 2027-08-28 · $340.00

  • Frontier Airlines F94567 / F94339: STL 2027-08-21 19:54:00 → LAX 2027-08-21 23:59:00; 1 stop(s) via DEN; 365 minutes. Local airport times.
    • F94567: STL 2027-08-21 19:54:00 → DEN 2027-08-21 21:25:00; layover at DEN: 64 minutes.
    • F94339: DEN 2027-08-21 22:29:00 → LAX 2027-08-21 23:59:00.
  • American Airlines AA6502: LAX 2027-08-28 18:01:00 → STL 2027-08-28 23:44:00; nonstop; 223 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $370.00

  • Southwest Airlines WN4198 / WN334: STL 2027-08-21 07:55:00 → LAX 2027-08-21 12:30:00; 1 stop(s) via SAT; 395 minutes. Local airport times.
    • WN4198: STL 2027-08-21 07:55:00 → SAT 2027-08-21 10:10:00; layover at SAT: 70 minutes.
    • WN334: SAT 2027-08-21 11:20:00 → LAX 2027-08-21 12:30:00.
  • Southwest Airlines WN4867 / WN2174: LAX 2027-08-28 05:00:00 → STL 2027-08-28 13:05:00; 1 stop(s) via HOU; 365 minutes. Local airport times.
    • WN4867: LAX 2027-08-28 05:00:00 → HOU 2027-08-28 10:05:00; layover at HOU: 60 minutes.
    • WN2174: HOU 2027-08-28 11:05:00 → STL 2027-08-28 13:05:00.

2027-08-21 → 2027-08-28 · $385.00

  • Southwest Airlines WN4712: STL 2027-08-21 22:50:00 → LAX 2027-08-22 00:50:00; nonstop; 240 minutes. Local airport times.
  • Southwest Airlines WN4867 / WN2174: LAX 2027-08-28 05:00:00 → STL 2027-08-28 13:05:00; 1 stop(s) via HOU; 365 minutes. Local airport times.
    • WN4867: LAX 2027-08-28 05:00:00 → HOU 2027-08-28 10:05:00; layover at HOU: 60 minutes.
    • WN2174: HOU 2027-08-28 11:05:00 → STL 2027-08-28 13:05:00.

2027-08-21 → 2027-08-28 · $405.00

  • American Airlines AA2303 / AA2908: STL 2027-08-21 14:23:00 → LAX 2027-08-21 18:52:00; 1 stop(s) via PHX; 389 minutes. Local airport times.
    • AA2303: STL 2027-08-21 14:23:00 → PHX 2027-08-21 15:51:00; layover at PHX: 85 minutes.
    • AA2908: PHX 2027-08-21 17:16:00 → LAX 2027-08-21 18:52:00.
  • American Airlines AA6502: LAX 2027-08-28 18:01:00 → STL 2027-08-28 23:44:00; nonstop; 223 minutes. Local airport times.

More dates for this route